{
  "manageEntity": {
    "action": "Repost",
    "entityId": "290784712",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9496f322d01d88b38725f46c9d6b64cb74278f005762f9529041e5ff9746b149",
    "signature": "0x8f86a5a4ebc6c87bdfc1a92de60e150eee1772dc1c4fced7e0f3657d94ffcfaf5f17c211a78f72362edae74c93d416133a088b76d24e6f8e97be1727b3819c481b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}